U+1D41F "𝐟" Mathematical Bold Small F Unicode Character
Unicode Version 17.0
𝐟
U+1D41F "𝐟" Mathematical Bold Small F is a typographic variant of the standard Latin lowercase letter "f," specifically designed for mathematical notation to represent variables, constants, or functions in a bold typeface. It belongs to the Mathematical Alphanumeric Symbols block, which allows mathematicians, scientists, and publishers to differentiate between plain text and mathematical expressions in digital documents, avoiding confusion with regular text formatting. This character is typically used in contexts like vector notation, matrices, or other scientific formulas where a bold style is required to convey specific meaning.
General Properties
| Code Point | U+1D41F |
| Version Added | 3.1 |
| Name | Mathematical Bold Small F |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "f" U+0066 Latin Small Letter F |
Encodings
| HTML Decimal Encoding | 𝐟 |
| HTML Hex Encoding | 𝐟 |
| UTF-8 Encoding | 0xF0 0x9D 0x90 0x9F |
| UTF-16 Encoding | 0xD835 0xDC1F |
| UTF-32 Encoding | 0x0001D41F |
| C/C++/Java Escape | \ud835\udc1f |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "f" U+0066 Latin Small Letter F |
| NFKC Simple Casefold | "f" U+0066 Latin Small Letter F |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Lower |